| public GetBytes ( byte buffer ) : void | ||
| buffer | byte | An array of bytes to contain random numbers. |
| return | void | |
/// <summary>
/// Sets the default variables for the given <see cref="Argon2id"/>
/// hasher instance.
/// </summary>
/// <param name="hasher"></param>
private void HydrateHasher(Argon2id hasher)
{
hasher.DegreeOfParallelism = Environment.ProcessorCount;
hasher.Iterations = 5;
hasher.MemorySize = 131_072; // 128MiB
hasher.Salt = CryptoRandom.GetBytes(32);
}
public static string GetRandomName(int length)
{
byte[] buf = new byte[length];
CryptoRandom.GetBytes(buf);
return(BitConverter.ToString(buf).Replace("-", String.Empty).Substring(0, length));
}
/// <inheritdoc />
public override byte[] Encrypt(byte[] key, byte[] data)
{
using var aes = Aes.Create();
if (!IsValidKeySize(key.Length))
{
throw new ArgumentException("Key is not a valid size for AES encryption.", nameof(key));
}
byte[] iv = new byte[IvSize];
CryptoRandom.GetBytes(iv);
ICryptoTransform encryptor = aes.CreateEncryptor(key, iv);
using var memoryStream = new MemoryStream();
using (var cryptoStream = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write)) {
memoryStream.Write(iv);
cryptoStream.Write(data);
}
return(memoryStream.ToArray());
}